Configuring fails with 'Target ... links to target "TBB::tbb" but the target was not found'

[berndflemisch]

Configuring fails with 'Target ... links to target "TBB::tbb" but the target was not found'

[berndflemisch]

It's not a matter of CMake, but of the Dune version. I'll update the description.

[blattms]

the joys of maintaining custom build systems. We well need to adapt our find modules for this as they do not search for TBB and DUNE does not trigger the search either if its CMake stuff is not used.

[blattms]

I was about to comment along the lines "not yet fixed, but you can use this workaround", but when running another test it seems like this is actually fixed. Maybe that is due to the changes in the DUNE release? On my system it uses pkgconfig to search for tbb as I use CMake < 3.19.4.

Can you please check whether the problem persists on your system?

[blattms]

Sigh. Am seeing it again (both in opm-material and opm-grid).

[berndflemisch]

I also still see it, this time with a standard Ubuntu 21.10.

[blattms]

I guess we would need to define PkgConfig::PkgConfigTBB and TBB::tbb in a newly created FindTBB.cmake in opm-common.

[blattms]

Not really satisfactory, but one can set CMAKE_MODULE_PATH to include /path/to/dune-common/cmake/modules as workaround to make the build succeed. But this is really hacky as OPM might find cmake modules from DUNE when it should find the ones in OPM.